AMADOR COUNTY, Calif. — Mule Creek State Prison officials are investigating after an inmate was found dead in his cell with stab wounds.
According to a news release, Robert Aranda was found unresponsive around 1:40 p.m. Thursday. He was pronounced dead about 30 minutes later.
Officials identified his alleged attacker as his cellmate, 38-year-old Alexander Mateuz.
Aranda was sentenced to 13 years in prison in Nov. 2021 for two counts of second-degree attempted murder with a firearm.
Mateuz was serving life in prison for a 2008 third-strike conviction of assault with a firearm.
Mule Creek State Prison in Amador County houses more than 3,800 incarcerated people. The Amador County Coroner will determine Aranda’s official cause of death.
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